dt-bindings: Add devicetree bindings

Add snapshot of device tree bindings from keystone common kernel, branch
"android-mainline-keystone-qcom-release" at c4c12103f9c0 ("Snap for 9228065
from e32903b9a63bb558df8b803b076619c53c16baad to
android-mainline-keystone-qcom-release").

Change-Id: I7682079615cbd9f29340a5c1f2a1d84ec441a1f1
Signed-off-by: Melody Olvera <quic_molvera@quicinc.com>
This commit is contained in:
Melody Olvera
2023-04-03 14:38:11 -07:00
parent c334acf377
commit 6f18ce8026
4878 changed files with 424312 additions and 0 deletions

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# SPDX-License-Identifier: GPL-2.0
%YAML 1.2
---
$id: http://devicetree.org/schemas/arm/bcm/bcm2835.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Broadcom BCM2711/BCM2835 Platforms Device Tree Bindings
maintainers:
- Eric Anholt <eric@anholt.net>
- Stefan Wahren <wahrenst@gmx.net>
properties:
$nodename:
const: '/'
compatible:
oneOf:
- description: BCM2711 based Boards
items:
- enum:
- raspberrypi,400
- raspberrypi,4-compute-module
- raspberrypi,4-model-b
- const: brcm,bcm2711
- description: BCM2835 based Boards
items:
- enum:
- raspberrypi,model-a
- raspberrypi,model-a-plus
- raspberrypi,model-b
- raspberrypi,model-b-i2c0 # Raspberry Pi Model B (no P5)
- raspberrypi,model-b-rev2
- raspberrypi,model-b-plus
- raspberrypi,compute-module
- raspberrypi,model-zero
- raspberrypi,model-zero-w
- const: brcm,bcm2835
- description: BCM2836 based Boards
items:
- enum:
- raspberrypi,2-model-b
- const: brcm,bcm2836
- description: BCM2837 based Boards
items:
- enum:
- raspberrypi,3-model-a-plus
- raspberrypi,3-model-b
- raspberrypi,3-model-b-plus
- raspberrypi,3-compute-module
- raspberrypi,3-compute-module-lite
- raspberrypi,model-zero-2-w
- const: brcm,bcm2837
additionalProperties: true
...

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# SPDX-License-Identifier: GPL-2.0
%YAML 1.2
---
$id: http://devicetree.org/schemas/arm/bcm/brcm,bcm11351.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Broadcom BCM11351 device tree bindings
maintainers:
- Florian Fainelli <f.fainelli@gmail.com>
properties:
$nodename:
const: '/'
compatible:
items:
- enum:
- brcm,bcm28155-ap
- const: brcm,bcm11351
additionalProperties: true
...

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# SPDX-License-Identifier: GPL-2.0
%YAML 1.2
---
$id: http://devicetree.org/schemas/arm/bcm/brcm,bcm21664.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Broadcom BCM21664 device tree bindings
maintainers:
- Florian Fainelli <f.fainelli@gmail.com>
properties:
$nodename:
const: '/'
compatible:
items:
- enum:
- brcm,bcm21664-garnet
- const: brcm,bcm21664
additionalProperties: true
...

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# SPDX-License-Identifier: GPL-2.0
%YAML 1.2
---
$id: http://devicetree.org/schemas/arm/bcm/brcm,bcm23550.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Broadcom BCM23550 device tree bindings
maintainers:
- Florian Fainelli <f.fainelli@gmail.com>
properties:
$nodename:
const: '/'
compatible:
items:
- enum:
- brcm,bcm23550-sparrow
- const: brcm,bcm23550
additionalProperties: true
...

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# SPDX-License-Identifier: GPL-2.0
%YAML 1.2
---
$id: http://devicetree.org/schemas/arm/bcm/brcm,bcm4708.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Broadcom BCM4708 device tree bindings
description:
Broadcom BCM4708/47081/4709/47094/53012 Wi-Fi/network SoCs based
on the iProc architecture (Northstar).
maintainers:
- Florian Fainelli <f.fainelli@gmail.com>
- Hauke Mehrtens <hauke@hauke-m.de>
- Rafal Milecki <zajec5@gmail.com>
properties:
$nodename:
const: '/'
compatible:
oneOf:
- description: BCM4708 based boards
items:
- enum:
- asus,rt-ac56u
- asus,rt-ac68u
- buffalo,wzr-1750dhp
- linksys,ea6300-v1
- linksys,ea6500-v2
- luxul,xap-1510v1
- luxul,xwc-1000
- netgear,r6250v1
- netgear,r6300v2
- smartrg,sr400ac
- brcm,bcm94708
- const: brcm,bcm4708
- description: BCM47081 based boards
items:
- enum:
- asus,rt-n18u
- buffalo,wzr-600dhp2
- buffalo,wzr-900dhp
- luxul,xap-1410v1
- luxul,xwr-1200v1
- tplink,archer-c5-v2
- const: brcm,bcm47081
- const: brcm,bcm4708
- description: BCM4709 based boards
items:
- enum:
- asus,rt-ac87u
- buffalo,wxr-1900dhp
- linksys,ea9200
- netgear,r7000
- netgear,r8000
- tplink,archer-c9-v1
- brcm,bcm94709
- const: brcm,bcm4709
- const: brcm,bcm4708
- description: BCM47094 based boards
items:
- enum:
- asus,rt-ac88u
- dlink,dir-885l
- dlink,dir-890l
- linksys,panamera
- luxul,abr-4500-v1
- luxul,xap-1610-v1
- luxul,xbr-4500-v1
- luxul,xwc-2000-v1
- luxul,xwr-3100v1
- luxul,xwr-3150-v1
- netgear,r8500
- phicomm,k3
- const: brcm,bcm47094
- const: brcm,bcm4708
- description: BCM53012 based boards
items:
- enum:
- brcm,bcm953012er
- brcm,bcm953012hr
- brcm,bcm953012k
- const: brcm,bcm53012
- const: brcm,bcm4708
- description: BCM53015 based boards
items:
- enum:
- meraki,mr26
- const: brcm,bcm53015
- const: brcm,bcm4708
- description: BCM53016 based boards
items:
- enum:
- dlink,dwl-8610ap
- meraki,mr32
- const: brcm,bcm53016
- const: brcm,bcm4708
additionalProperties: true
...

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Broadcom BCM63138 DSL System-on-a-Chip device tree bindings
-----------------------------------------------------------
Boards compatible with the BCM63138 DSL System-on-a-Chip should have the
following properties:
Required root node property:
compatible: should be "brcm,bcm63138"
An optional Boot lookup table Device Tree node is required for secondary CPU
initialization as well as a 'resets' phandle to the correct PMB controller as
defined in reset/brcm,bcm63138-pmb.txt for this secondary CPU, and an
'enable-method' property.
Required properties for the Boot lookup table node:
- compatible: should be "brcm,bcm63138-bootlut"
- reg: register base address and length for the Boot Lookup table
Optional properties for the primary CPU node:
- enable-method: should be "brcm,bcm63138"
Optional properties for the secondary CPU node:
- enable-method: should be "brcm,bcm63138"
- resets: phandle to the relevant PMB controller, one integer indicating the internal
bus number, and a second integer indicating the address of the CPU in the PMB
internal bus number.
Example:
cpus {
cpu@0 {
compatible = "arm,cortex-a9";
reg = <0>;
...
enable-method = "brcm,bcm63138";
};
cpu@1 {
compatible = "arm,cortex-a9";
reg = <1>;
...
enable-method = "brcm,bcm63138";
resets = <&pmb0 4 1>;
};
};
bootlut: bootlut@8000 {
compatible = "brcm,bcm63138-bootlut";
reg = <0x8000 0x50>;
};
=======
reboot
------
Two nodes are required for software reboot: a timer node and a syscon-reboot node.
Timer node:
- compatible: Must be "brcm,bcm6328-timer", "syscon"
- reg: Register base address and length
Syscon reboot node:
See Documentation/devicetree/bindings/power/reset/syscon-reboot.yaml for the
detailed list of properties, the two values defined below are specific to the
BCM6328-style timer:
- offset: Should be 0x34 to denote the offset of the TIMER_WD_TIMER_RESET register
from the beginning of the TIMER block
- mask: Should be 1 for the SoftRst bit.
Example:
timer: timer@80 {
compatible = "brcm,bcm6328-timer", "syscon";
reg = <0x80 0x3c>;
};
reboot {
compatible = "syscon-reboot";
regmap = <&timer>;
offset = <0x34>;
mask = <0x1>;
};

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# SPDX-License-Identifier: GPL-2.0 OR BSD-2-Clause
%YAML 1.2
---
$id: http://devicetree.org/schemas/arm/bcm/brcm,bcmbca.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Broadcom Broadband SoC device tree bindings
description:
Broadcom Broadband SoCs include family of high performance DSL/PON/Wireless
chips that can be used as home gateway, router and WLAN AP for residential,
enterprise and carrier applications.
maintainers:
- William Zhang <william.zhang@broadcom.com>
- Anand Gore <anand.gore@broadcom.com>
- Kursad Oney <kursad.oney@broadcom.com>
- Rafał Miłecki <rafal@milecki.pl>
properties:
$nodename:
const: '/'
compatible:
oneOf:
- description: BCM47622 based boards
items:
- enum:
- brcm,bcm947622
- const: brcm,bcm47622
- const: brcm,bcmbca
- description: BCM4906 based boards
items:
- enum:
- netgear,r8000p
- tplink,archer-c2300-v1
- const: brcm,bcm4906
- const: brcm,bcm4908
- const: brcm,bcmbca
- description: BCM4908 based boards
items:
- enum:
- asus,gt-ac5300
- brcm,bcm94908
- netgear,raxe500
- const: brcm,bcm4908
- const: brcm,bcmbca
- description: BCM49408 based boards
items:
- const: brcm,bcm49408
- const: brcm,bcm4908
- const: brcm,bcmbca
- description: BCM4912 based boards
items:
- enum:
- asus,gt-ax6000
- brcm,bcm94912
- const: brcm,bcm4912
- const: brcm,bcmbca
- description: BCM63138 based boards
items:
- enum:
- brcm,bcm963138
- brcm,BCM963138DVT
- const: brcm,bcm63138
- const: brcm,bcmbca
- description: BCM63146 based boards
items:
- enum:
- brcm,bcm963146
- const: brcm,bcm63146
- const: brcm,bcmbca
- description: BCM63148 based boards
items:
- enum:
- brcm,bcm963148
- const: brcm,bcm63148
- const: brcm,bcmbca
- description: BCM63158 based boards
items:
- enum:
- brcm,bcm963158
- const: brcm,bcm63158
- const: brcm,bcmbca
- description: BCM63178 based boards
items:
- enum:
- brcm,bcm963178
- const: brcm,bcm63178
- const: brcm,bcmbca
- description: BCM6756 based boards
items:
- enum:
- brcm,bcm96756
- const: brcm,bcm6756
- const: brcm,bcmbca
- description: BCM6813 based boards
items:
- enum:
- brcm,bcm96813
- const: brcm,bcm6813
- const: brcm,bcmbca
- description: BCM6846 based boards
items:
- enum:
- brcm,bcm96846
- const: brcm,bcm6846
- const: brcm,bcmbca
- description: BCM6855 based boards
items:
- enum:
- brcm,bcm96855
- const: brcm,bcm6855
- const: brcm,bcmbca
- description: BCM6856 based boards
items:
- enum:
- brcm,bcm96856
- const: brcm,bcm6856
- const: brcm,bcmbca
- description: BCM6858 based boards
items:
- enum:
- brcm,bcm96858
- const: brcm,bcm6858
- const: brcm,bcmbca
- description: BCM6878 based boards
items:
- enum:
- brcm,bcm96878
- const: brcm,bcm6878
- const: brcm,bcmbca
additionalProperties: true
...

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ARM Broadcom STB platforms Device Tree Bindings
-----------------------------------------------
Boards with Broadcom Brahma15 ARM-based BCMxxxx (generally BCM7xxx variants)
SoC shall have the following DT organization:
Required root node properties:
- compatible: "brcm,bcm<chip_id>", "brcm,brcmstb"
example:
/ {
#address-cells = <2>;
#size-cells = <2>;
model = "Broadcom STB (bcm7445)";
compatible = "brcm,bcm7445", "brcm,brcmstb";
Further, syscon nodes that map platform-specific registers used for general
system control is required:
- compatible: "brcm,bcm<chip_id>-sun-top-ctrl", "syscon"
- compatible: "brcm,bcm<chip_id>-cpu-biu-ctrl",
"brcm,brcmstb-cpu-biu-ctrl",
"syscon"
- compatible: "brcm,bcm<chip_id>-hif-continuation", "syscon"
cpu-biu-ctrl node
-------------------
SoCs with Broadcom Brahma15 ARM-based and Brahma53 ARM64-based CPUs have a
specific Bus Interface Unit (BIU) block which controls and interfaces the CPU
complex to the different Memory Controller Ports (MCP), one per memory
controller (MEMC). This BIU block offers a feature called Write Pairing which
consists in collapsing two adjacent cache lines into a single (bursted) write
transaction towards the memory controller (MEMC) to maximize write bandwidth.
Required properties:
- compatible: must be "brcm,bcm7445-cpu-biu-ctrl", "brcm,brcmstb-cpu-biu-ctrl", "syscon"
Optional properties:
- brcm,write-pairing:
Boolean property, which when present indicates that the chip
supports write-pairing.
example:
rdb {
#address-cells = <1>;
#size-cells = <1>;
compatible = "simple-bus";
ranges = <0 0x00 0xf0000000 0x1000000>;
sun_top_ctrl: syscon@404000 {
compatible = "brcm,bcm7445-sun-top-ctrl", "syscon";
reg = <0x404000 0x51c>;
};
hif_cpubiuctrl: syscon@3e2400 {
compatible = "brcm,bcm7445-cpu-biu-ctrl", "brcm,brcmstb-cpu-biu-ctrl", "syscon";
reg = <0x3e2400 0x5b4>;
brcm,write-pairing;
};
hif_continuation: syscon@452000 {
compatible = "brcm,bcm7445-hif-continuation", "syscon";
reg = <0x452000 0x100>;
};
};
Nodes that allow for support of SMP initialization and reboot are required:
smpboot
-------
Required properties:
- compatible
The string "brcm,brcmstb-smpboot".
- syscon-cpu
A phandle / integer array property which lets the BSP know the location
of certain CPU power-on registers.
The layout of the property is as follows:
o a phandle to the "hif_cpubiuctrl" syscon node
o offset to the base CPU power zone register
o offset to the base CPU reset register
- syscon-cont
A phandle pointing to the syscon node which describes the CPU boot
continuation registers.
o a phandle to the "hif_continuation" syscon node
example:
smpboot {
compatible = "brcm,brcmstb-smpboot";
syscon-cpu = <&hif_cpubiuctrl 0x88 0x178>;
syscon-cont = <&hif_continuation>;
};
reboot
-------
Required properties
- compatible
The string property "brcm,brcmstb-reboot" for 40nm/28nm chips with
the new SYS_CTRL interface, or "brcm,bcm7038-reboot" for 65nm
chips with the old SUN_TOP_CTRL interface.
- syscon
A phandle / integer array that points to the syscon node which describes
the general system reset registers.
o a phandle to "sun_top_ctrl"
o offset to the "reset source enable" register
o offset to the "software master reset" register
example:
reboot {
compatible = "brcm,brcmstb-reboot";
syscon = <&sun_top_ctrl 0x304 0x308>;
};
Power management
----------------
For power management (particularly, S2/S3/S5 system suspend), the following SoC
components are needed:
= Always-On control block (AON CTRL)
This hardware provides control registers for the "always-on" (even in low-power
modes) hardware, such as the Power Management State Machine (PMSM).
Required properties:
- compatible : should contain "brcm,brcmstb-aon-ctrl"
- reg : the register start and length for the AON CTRL block
Example:
aon-ctrl@410000 {
compatible = "brcm,brcmstb-aon-ctrl";
reg = <0x410000 0x400>;
};
= Memory controllers
A Broadcom STB SoC typically has a number of independent memory controllers,
each of which may have several associated hardware blocks, which are versioned
independently (control registers, DDR PHYs, etc.). One might consider
describing these controllers as a parent "memory controllers" block, which
contains N sub-nodes (one for each controller in the system), each of which is
associated with a number of hardware register resources (e.g., its PHY). See
the example device tree snippet below.
== MEMC (MEMory Controller)
Represents a single memory controller instance.
Required properties:
- compatible : should contain "brcm,brcmstb-memc" and "simple-bus"
Should contain subnodes for any of the following relevant hardware resources:
== DDR PHY control
Control registers for this memory controller's DDR PHY.
Required properties:
- compatible : should contain one of these
"brcm,brcmstb-ddr-phy-v71.1"
"brcm,brcmstb-ddr-phy-v72.0"
"brcm,brcmstb-ddr-phy-v225.1"
"brcm,brcmstb-ddr-phy-v240.1"
"brcm,brcmstb-ddr-phy-v240.2"
- reg : the DDR PHY register range
== DDR SHIMPHY
Control registers for this memory controller's DDR SHIMPHY.
Required properties:
- compatible : should contain "brcm,brcmstb-ddr-shimphy-v1.0"
- reg : the DDR SHIMPHY register range
== MEMC DDR control
Sequencer DRAM parameters and control registers. Used for Self-Refresh
Power-Down (SRPD), among other things.
See Documentation/devicetree/bindings/memory-controllers/brcm,brcmstb-memc-ddr.yaml for a
full list of supported compatible strings and properties.
Example:
memory_controllers {
ranges;
compatible = "simple-bus";
memc@0 {
compatible = "brcm,brcmstb-memc", "simple-bus";
ranges;
ddr-phy@f1106000 {
compatible = "brcm,brcmstb-ddr-phy-v240.1";
reg = <0xf1106000 0x21c>;
};
shimphy@f1108000 {
compatible = "brcm,brcmstb-ddr-shimphy-v1.0";
reg = <0xf1108000 0xe4>;
};
memc-ddr@f1102000 {
reg = <0xf1102000 0x800>;
compatible = "brcm,brcmstb-memc-ddr";
};
};
memc@1 {
compatible = "brcm,brcmstb-memc", "simple-bus";
ranges;
ddr-phy@f1186000 {
compatible = "brcm,brcmstb-ddr-phy-v240.1";
reg = <0xf1186000 0x21c>;
};
shimphy@f1188000 {
compatible = "brcm,brcmstb-ddr-shimphy-v1.0";
reg = <0xf1188000 0xe4>;
};
memc-ddr@f1182000 {
reg = <0xf1182000 0x800>;
compatible = "brcm,brcmstb-memc-ddr";
};
};
memc@2 {
compatible = "brcm,brcmstb-memc", "simple-bus";
ranges;
ddr-phy@f1206000 {
compatible = "brcm,brcmstb-ddr-phy-v240.1";
reg = <0xf1206000 0x21c>;
};
shimphy@f1208000 {
compatible = "brcm,brcmstb-ddr-shimphy-v1.0";
reg = <0xf1208000 0xe4>;
};
memc-ddr@f1202000 {
reg = <0xf1202000 0x800>;
compatible = "brcm,brcmstb-memc-ddr";
};
};
};

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# SPDX-License-Identifier: GPL-2.0
%YAML 1.2
---
$id: http://devicetree.org/schemas/arm/bcm/brcm,cygnus.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Broadcom Cygnus device tree bindings
maintainers:
- Ray Jui <rjui@broadcom.com>
- Scott Branden <sbranden@broadcom.com>
properties:
$nodename:
const: '/'
compatible:
items:
- enum:
- brcm,bcm11300
- brcm,bcm11320
- brcm,bcm11350
- brcm,bcm11360
- brcm,bcm58300
- brcm,bcm58302
- brcm,bcm58303
- brcm,bcm58305
- const: brcm,cygnus
additionalProperties: true
...

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# SPDX-License-Identifier: GPL-2.0
%YAML 1.2
---
$id: http://devicetree.org/schemas/arm/bcm/brcm,hr2.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Broadcom Hurricane 2 device tree bindings
description:
Broadcom Hurricane 2 family of SoCs are used for switching control. These SoCs
are based on Broadcom's iProc SoC architecture and feature a single core Cortex
A9 ARM CPUs, DDR2/DDR3 memory, PCIe GEN-2, USB 2.0 and USB 3.0, serial and NAND
flash and a PCIe attached integrated switching engine.
maintainers:
- Florian Fainelli <f.fainelli@gmail.com>
properties:
$nodename:
const: '/'
compatible:
items:
- enum:
- ubnt,unifi-switch8
- const: brcm,bcm53342
- const: brcm,hr2
additionalProperties: true
...

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# SPDX-License-Identifier: GPL-2.0
%YAML 1.2
---
$id: http://devicetree.org/schemas/arm/bcm/brcm,ns2.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Broadcom North Star 2 (NS2) device tree bindings
maintainers:
- Ray Jui <rjui@broadcom.com>
- Scott Branden <sbranden@broadcom.com>
properties:
$nodename:
const: '/'
compatible:
items:
- enum:
- brcm,ns2-svk
- brcm,ns2-xmc
- const: brcm,ns2
additionalProperties: true
...

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# SPDX-License-Identifier: GPL-2.0
%YAML 1.2
---
$id: http://devicetree.org/schemas/arm/bcm/brcm,nsp.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Broadcom Northstar Plus device tree bindings
description:
Broadcom Northstar Plus family of SoCs are used for switching control
and management applications as well as residential router/gateway
applications. The SoC features dual core Cortex A9 ARM CPUs, integrating
several peripheral interfaces including multiple Gigabit Ethernet PHYs,
DDR3 memory, PCIE Gen-2, USB 2.0 and USB 3.0, serial and NAND flash,
SATA and several other IO controllers.
maintainers:
- Ray Jui <rjui@broadcom.com>
- Scott Branden <sbranden@broadcom.com>
properties:
$nodename:
const: '/'
compatible:
oneOf:
- description: BCM58522 based boards
items:
- enum:
- brcm,bcm958522er
- const: brcm,bcm58522
- const: brcm,nsp
- description: BCM58525 based boards
items:
- enum:
- brcm,bcm958525er
- brcm,bcm958525xmc
- const: brcm,bcm58525
- const: brcm,nsp
- description: BCM58535 based boards
items:
- const: brcm,bcm58535
- const: brcm,nsp
- description: BCM58622 based boards
items:
- enum:
- brcm,bcm958622hr
- const: brcm,bcm58622
- const: brcm,nsp
- description: BCM58623 based boards
items:
- enum:
- brcm,bcm958623hr
- const: brcm,bcm58623
- const: brcm,nsp
- description: BCM58625 based boards
items:
- enum:
- brcm,bcm958625hr
- brcm,bcm958625k
- meraki,mx64
- meraki,mx64-a0
- meraki,mx64w
- meraki,mx64w-a0
- meraki,mx65
- meraki,mx65w
- const: brcm,bcm58625
- const: brcm,nsp
- description: BCM88312 based boards
items:
- enum:
- brcm,bcm988312hr
- const: brcm,bcm88312
- const: brcm,nsp
additionalProperties: true
...

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# SPDX-License-Identifier: GPL-2.0
%YAML 1.2
---
$id: http://devicetree.org/schemas/arm/bcm/brcm,stingray.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Broadcom Stingray device tree bindings
maintainers:
- Ray Jui <rjui@broadcom.com>
- Scott Branden <sbranden@broadcom.com>
properties:
$nodename:
const: '/'
compatible:
items:
- enum:
- brcm,bcm958742k
- brcm,bcm958742t
- brcm,bcm958802a802x
- const: brcm,stingray
additionalProperties: true
...

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# SPDX-License-Identifier: GPL-2.0
%YAML 1.2
---
$id: http://devicetree.org/schemas/arm/bcm/brcm,vulcan-soc.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Broadcom Vulcan device tree bindings
maintainers:
- Robert Richter <rrichter@marvell.com>
properties:
$nodename:
const: '/'
compatible:
items:
- enum:
- brcm,vulcan-eval
- cavium,thunderx2-cn9900
- const: brcm,vulcan-soc
additionalProperties: true
...

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# SPDX-License-Identifier: GPL-2.0
%YAML 1.2
---
$id: http://devicetree.org/schemas/arm/bcm/raspberrypi,bcm2835-firmware.yaml#
$schema: http://devicetree.org/meta-schemas/core.yaml#
title: Raspberry Pi VideoCore firmware driver
maintainers:
- Eric Anholt <eric@anholt.net>
- Stefan Wahren <wahrenst@gmx.net>
select:
properties:
compatible:
contains:
const: raspberrypi,bcm2835-firmware
required:
- compatible
properties:
compatible:
items:
- const: raspberrypi,bcm2835-firmware
- const: simple-mfd
mboxes:
maxItems: 1
clocks:
type: object
properties:
compatible:
const: raspberrypi,firmware-clocks
"#clock-cells":
const: 1
description: >
The argument is the ID of the clocks contained by the
firmware messages.
required:
- compatible
- "#clock-cells"
reset:
type: object
properties:
compatible:
const: raspberrypi,firmware-reset
"#reset-cells":
const: 1
description: >
The argument is the ID of the firmware reset line to affect.
required:
- compatible
- "#reset-cells"
pwm:
type: object
properties:
compatible:
const: raspberrypi,firmware-poe-pwm
"#pwm-cells":
# See pwm.yaml in this directory for a description of the cells format.
const: 2
required:
- compatible
- "#pwm-cells"
additionalProperties: false
required:
- compatible
- mboxes
additionalProperties: false
examples:
- |
firmware {
compatible = "raspberrypi,bcm2835-firmware", "simple-mfd";
mboxes = <&mailbox>;
firmware_clocks: clocks {
compatible = "raspberrypi,firmware-clocks";
#clock-cells = <1>;
};
reset: reset {
compatible = "raspberrypi,firmware-reset";
#reset-cells = <1>;
};
pwm: pwm {
compatible = "raspberrypi,firmware-poe-pwm";
#pwm-cells = <2>;
};
};
...